CN1677424A - Radio-frequency identifying code encoding and decoding method - Google Patents
Radio-frequency identifying code encoding and decoding method Download PDFInfo
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Abstract
The invention encodes original information to RF identification codes suitable to RF identification system. Space marks are utilized to label fields of identification codes in radio frequency. The identification codes in radio frequency include text message, and attributive information for labeling text messages and message of languages. The invention also discloses decoding method. The invention supports multiple languages, obtains original information from direct decoding without need of querying database, providing features of easy of use, intuitionistic information, and wide application.
Description
Invention field
The present invention relates generally to the radio-frequency identification code field, particularly a kind of coding and coding/decoding method of supporting multilingual, many letter symbols, easy to use, radio-frequency identification code that purposes is wider.
Technical background
Radio-frequency (RF) identification (RFID, i.e. Radio Frequency Identification) technology is causing concern widely as the substitute technology of bar code.Because this technology can be used for following the tracks of and managing nearly all physical object.Therefore, increasing businessman all takes to the research and development and the application of this technology.
At present, radio frequency identification chip can be with the information more than the format record 1k bits of standard radio frequency identification code, and reader can with under the situation that radio frequency identification chip contacts not read radio frequency identification sign indicating number information in it, thereby has improved the convenience that information is obtained greatly.Fig. 1 shows a kind of basic structure of radio frequency identification standard code.As shown in Figure 1, this is the structural drawing of an EPC standard code.According to the EPC standard, the radio frequency identification sign indicating number is decided to be 96, and wherein 0～7 is used as the guiding identifier; 8～35 as vendor code; 36～59 as the product type code; 60～95 as individual products (serial number).Every section content all is a binary code, has only to search database with these binary codes and can draw original information.As can be seen from Figure 1, in existing radio frequency identification sign indicating number, each code segment all has fixing byte length, and therefore, the information that it comprised is relatively more fixing and purposes is also more single.For example, existing several radio-frequency (RF) identification standard sign indicating numbers (as EPC, Ubiquitous code and ISO-18000 series) mainly all are used to write down merchandise news, and can not be widely used in the information record in other field.
Summary of the invention
Therefore, the present invention makes at above-mentioned defective of the prior art, an one purpose provides a kind of like this coding method of radio-frequency identification code, the radio-frequency identification code that utilizes this coding method to obtain can contain can support information multilingual, the multiple language characters symbol, need not to search database, direct decoding can draw the raw information of multilingual Word messages such as comprising English, numeral, symbol, Chinese.
Another object of the present invention provides and the corresponding coding/decoding method of above-mentioned coding method.
To achieve these goals, described according to an aspect of the present invention, it provides a kind of radio-frequency identification code has been carried out Methods for Coding, and the raw information coding is become the radio-frequency identification code that is suitable for radio-frequency recognition system, it is characterized in that using blank character sign radio-frequency (RF) identification code field;
Described radio-frequency identification code also comprises text message and is used to identify the characteristic information of text message, languages information.
Coding method of the present invention may further comprise the steps: 1) set up first field; 2) described raw information is encoded, coding result is inserted in described first field; And 3) utilize a blank character to identify described first field.One section the above raw information is repeated and described step 1) to 3) corresponding step, the raw information coding result is inserted described more than one field respectively.
Step 2 in the above coding method) further may further comprise the steps: 2-1) obtain characteristic information, insert the characteristic information section of field according to described raw information; And 2-2) described raw information coding is formed text message, insert the text message section of field.Wherein, step 2-2) further comprise according to described languages information and convert to described raw information with the corresponding text message of described languages information and described text message is inserted the step of described text message section.
The present invention also provides a kind of method that radio-frequency identification code is decoded, and may further comprise the steps: 1) read an above field in the radio-frequency identification code chip; 2) determine the first interior field of a described above field according to predetermined blank character; And 3) according to predetermined decoding scheme described first field is decoded.
Above-mentioned coding/decoding method further may further comprise the steps: each field after described first field is repeated and described step 1) to 3) corresponding step, so that other each field is decoded successively.Wherein, step 3) further may further comprise the steps: 3-1) read the content of the characteristic information section of described field, and the content decoding of described characteristic information section is become the characteristic information of raw information according to predetermined decoding scheme; And 3-2) according to described characteristic information the text message section of described field is decoded, the raw information that decoding obtains is exported.
Described predetermined decoding scheme is according to described languages information, searches the raw information of described content information section correspondence in the character library of corresponding languages.
Owing in the radio-frequency identification code that utilizes coding method of the present invention to obtain, added the languages item of information, and data content can obtain different codings according to the difference of languages, therefore, the radio-frequency identification code that utilizes this coding method and obtained can contain the information that can support multilingual letter symbol (being languages).The radio-frequency identification code that coding method of the present invention obtained can comprise the multilingual text symbol information, and radiofrequency signal be need not to search database, and direct decoding can draw raw information, and is easy to use, information is directly perceived, and purposes is wider.
Brief description of drawings
By below in conjunction with the detailed description of accompanying drawing to the embodiment of the invention, above-mentioned purpose of the present invention, feature and advantage will become clearer, in following accompanying drawing:
Fig. 1 shows the basic structure of the radio-frequency identification code of prior art;
Fig. 2 shows the basic structure of the radio-frequency identification code that obtains according to coding method of the present invention;
Fig. 3 shows the coding method according to the described radio-frequency identification code of the embodiment of the invention;
Fig. 4 shows the coding/decoding method according to the described radio-frequency identification code of the embodiment of the invention.
Embodiment
Below with reference to the accompanying drawings the specific embodiment of the present invention is elaborated.
Fig. 2 shows the basic structure of the radio-frequency identification code that obtains according to coding method of the present invention.As shown in Figure 2, this radio-frequency identification code contains one or more fields.Contain at radio-frequency identification code under the situation of a plurality of fields, separate with a separator between each field, shown in (a) among Fig. 2.Each field can be divided into characteristic information and text message two parts again.Characteristic information shows features such as the field identification of text message in this field and languages, shown in (b) among Fig. 2.Owing to utilize separator to separate between each field, so the length of field is variable.In addition, the order of the number of field and each field also all is variable.
The information format of various piece content can adopt multiple predetermined coded format in the field.Below will be example with the situation of decimal format and hexadecimal format describes the content information form of the various piece of the field of this radio-frequency identification code.
One, decimal format
As shown in table 1, utilize tetrad to represent decimal number 0～9 and separator.Represent field identification with (or two a) decimal number, different decimal numbers has been represented different field identification contents, for example on behalf of name, 2 (binary code 0010), 1 (binary code 0001) represent exabyte, 3 (binary code 0011) to represent position, or the like.Represent the field languages with (or two a) decimal number, it is English to represent numeral, 1 (binary code 0001) to represent Chinese, 2 (binary codes 0010) to represent as 0 (binary code 0000), or the like.
For the information of different language, can adopt with the corresponding existing coded format of these languages raw information is encoded.For example, for Chinese character, the coding of raw information is realized by the GB2312 region-position code.In GB2312 position code table (four decimal numbers), Chinese character " on " the GB2312 region-position code be " 4147 ", again four decimal numbers are converted to four groups of scale-of-two arrays respectively.Learn that by table 1 its 16 binary codes are " 0,100 0,001 0,100 0111 ".And, then can adopt two tens digits to represent for English alphabet and conventional characters, as shown in table 2.
Table 1: the binary code table of comparisons
| Binary number | Arabic numeral | Binary number | Instruction character |
| ????0000 | ????0 | ????1010 | Blank character |
| ????0001 | ????1 | ????1011 | Blank character |
| ????0010 | ????2 | ????1100 | Blank character |
| ????0011 | ????3 | ????1101 | Blank character |
| ????0100 | ????4 | ????1110 | Blank character |
| ????0101 | ????5 | ????1111 | Blank character |
| ????0110 | ????6 | ||
| ????0111 | ????7 | ||
| ????1000 | ????8 | ||
| ????1001 | ????9 |
Annotate: 1010～1111 can be used as blank character.
Table 2: the English alphabet and the conventional characters table of comparisons
| Character | Numeral | Character | Numeral | Character | Numeral | Character | Numeral | Character | Numeral | Character | Numeral |
| ????A | ?00 | ????K | ??10 | ??u | ?20 | ??E | ?30 | ??O | ?40 | ??Y | ??50 |
| ????B | ?01 | ????L | ??11 | ??v | ?21 | ??F | ?31 | ??P | ?41 | ??Z | ??51 |
| ? ? ????C | ? ? ?02 | ? ? ????M | ? ? ??12 | ? ? ??w | ? ? ?22 | ? ? ??G | ? ? ??32 | ? ? ??Q | ? ? ?42 | The space | ? ? ?52 |
| ????D | ?03 | ????N | ??13 | ??x | ?23 | ??H | ?33 | ??R | ?43 | ??@ | ?53 |
| ????E | ?04 | ????O | ??14 | ??y | ?24 | ????I | ?34 | ??S | ?44 | ??- | ?54 |
| ????F | ?05 | ????P | ??15 | ??z | ?25 | ??G | ?35 | ??T | ?45 | ||
| ????G | ?06 | ????Q | ??16 | ??A | ?26 | ??K | ?36 | ??U | ?46 | ||
| ????H | ?07 | ????R | ??17 | ??B | ?27 | ??L | ?37 | ??V | ?47 | ||
| ????I | ?08 | ????S | ?18 | ??C | ?28 | ??M | ?38 | ??W | ?48 | ||
| ????J | ?09 | ????T | ?19 | ??D | ?29 | ??N | ?39 | ??X | ?49 |
Two, hexadecimal format
Represent sexadecimal number 0～E with tetrad.Field identification is represented by (or two a) sexadecimal number, the field languages with (or two a) sexadecimal number represent (such as, " 0 " expression numeral, " 1 " expression Chinese, " 2 " expression is English or the like), English alphabet, conventional characters and separator represent that with two sexadecimal ASCII character (separator can be defined as some control characters of ASCII character, as newline), Chinese character is represented with GB2312 machine code (four sexadecimal numbers), as " on " the GB2312 machine code be " C9CE ", 16 binary codes learning it are " 1,100 1,001 1,100 1110 ".
Next will Code And Decode method of the present invention be elaborated by the form of object lesson.At first coding method of the present invention is described.
Embodiment one (the Chinese name slice encode being become the radio frequency identification sign indicating number) in metric mode
Be provided with so Chinese business card, its raw information is divided into the field of six different contents, and is specific as follows:
Name: Fan Xinyun
Exabyte: Science and Technology Ltd. of Netac
Position: researcher
Phone number: 13512345678
The area code of fixed number: 0755
The number of fixed number: 26994775
For it being compiled into the radio frequency identification sign indicating number, the present invention specifically implements as follows:
To six fields that should business card: the area code of name, exabyte, position, phone number, fixed number and the number of fixed number, and use " 0001 ", " 0010 ", " 0011 ", " 0100 ", " 0101 " and " 0110 " to be used as the field identification of these six fields respectively.The languages of field use numeral (0000), Chinese (0001), English (0010) to represent that the separator between the field is then represented with 1010 respectively.Notice that the code string in the present embodiment is and defines with the represented decimal number of tetrad.
Fig. 3 shows the detailed process of this business card being carried out the radio frequency identification coding.As shown in Figure 3, at first obtain first raw information field.Then, determine field identification and field languages according to the body matter of raw information.Here, according to above-mentioned predictive encoding mode, the field identification that can determine first field is " 0001 " (name), and the field languages are " 0001 " (Chinese).Next, text message " Fan Xinyun " is translated with GB2312 region-position code (representing) according to Chinese character by four decimal numbers, thereby obtain code string 0,010 0,011 0,010 0010 (model) 0,100 1,000 0,011 0100 (newly) 0,101 0,010 01000011 (fortune), and the code string that will obtain after will translating is inserted in the text message part of first field.Next, judge whether to also have next raw information field,,, and repeat above coding step second field encoded, if not then the output encoder result then at separator 1010 of last insertion of first field if having.At last, treat whole fields all insert finish after, the result of output encoder.Therefore, according to aforesaid operations, can obtain following radio frequency identification sign indicating number:
The alternate embodiment of embodiment one
In this embodiment, field identification, field languages and text message have all adopted the form by the represented sexadecimal number of tetrad.Field identification is used " 0001 ", " 0010 ", " 0011 ", " 0100 ", " 0101 " and " 0110 " expression respectively.The languages of field use 0000 (numeral), 0001 (Chinese), 0010 (English) to represent respectively.Separator between the field is then represented with 0,000 1010.
Except what adopt in the translation process to Chinese character is the GB2312 machine code (four sexadecimal numbers are represented) used of Chinese character, and the coding step of this alternate embodiment and embodiment one are basic identical, therefore no longer its cataloged procedure are given unnecessary details.Utilize this alternate embodiment as follows to the above-mentioned Chinese business card resulting radio frequency identification sign indicating number of encoding:
Embodiment two (the English name slice encode being become the radio frequency identification sign indicating number) in metric mode
Be provided with so English business card, its original information content is as follows:
Name: Michael Fan
Exabyte: Netac
Position: researcher
Phone number: 13512345678
The area code of fixed number: 0755
The number of fixed number: 26994775
For it being compiled into the radio frequency identification sign indicating number, the present invention specifically implements as follows:
Identical with embodiment 1, in the present embodiment, field identification is used " 0001 ", " 0010 ", " 0011 ", " 0100 ", " 0101 " and " 0110 " expression respectively.The languages of field use 0000 (numeral), 0001 (Chinese), 0010 (English) to represent respectively.Separator between the field is then represented with 1010.
Similarly, as shown in Figure 3, at first obtain first raw information field.Then, determine field identification and field languages according to the content of raw information field.Here, according to above-mentioned predictive encoding mode, the field identification that can determine first field is " 0001 " (name), and the field languages are " 0010 " is (English). next; According to above-mentioned table 2 text information " Michael Fan " is translated into decimal number 0,011 1000 (M-decimal number 38) 0,000 1000 (i-decimal number 08) 00000010 (c-decimal number 2) 0,000 0111 (h-decimal number 07) 0,000 0000 (a-decimal number 00) 0,000 0100 (e-decimal number 04) 0,001 0001 (l-decimal number 11) 0,101 0010 (space-decimal number 52) 0,011 0001 (F-decimal number 31) 0,000 0000 (a-decimal number 00) 0,001 0011 (n-decimal number 13) by binary code representation, and the code string that will obtain after will translating is inserted in the text information part of the first field. Next, judge whether to also have next raw information field, and repeat above coding step the raw information of second field is encoded, if not then the output encoder result then at separator 1010 of last insertion of first field if having.Like this, according to aforesaid operations, can obtain following radio frequency identification sign indicating number:
The alternate embodiment of embodiment two
In this embodiment, field identification, field languages and text message have all adopted the form by the represented sexadecimal number of tetrad.Field identification is used " 0001 ", " 0010 ", " 0011 ", " 0100 ", " 0101 " and " 0110 " expression respectively.The languages of field use 0000 (numeral), 0001 (Chinese), 0010 (English) to represent respectively.Separator between the field is then represented with 0,000 1010.
Except what adopt in the translation process to English is the ASCII character (two sexadecimal numbers are represented), and the coding step of this alternate embodiment and embodiment two are basic identical, therefore no longer its cataloged procedure are given unnecessary details.Utilize this alternate embodiment to the above-mentioned English business card raw information resulting radio frequency mark of encoding
It is as follows to know sign indicating number:
Below will describe coding/decoding method of the present invention.
Embodiment three
Suppose that the radio frequency identification code that obtains has following content: 0,001 0,001 0,010 0,011 0,010 0,010 0,100 1,000 0,011 0,100 0,101 0,010 0,100 00,111,010 0,010 0,001 0,011 0,010 0,100 0,010 0,011 0,001 0,011 1,000 0,011 0,001 00,111,000 0,010 1,000 0,010 1,000 0,101 0,001 0,100 1,000 0,100 0,111 0,110 0,010 00,100,101 0,001 0,001 0,100 0,011 0,011 0,000 1,010 0,011 0,001 0,100 1,001 0,100 10,000,011 0,000 0,011 0,001 0,101 0,010 0,001 0,111 1,010 0,100 0,000 0,001 0,011 01,010,001 0,010 0,011 0,100 0,101 0,110 0,111 1,000 1,010 0,101 0,000 0,000 0,111 01,010,101 1,010 0,110 0,000 0,010 0,110 1,001 1,001 0,100 0,111 0,111 0,101 1010
For above-mentioned radio frequency identification sign indicating number is carried out decode operation, the present invention specifically implements as follows:
Fig. 4 shows the detailed process that this radio frequency identification sign indicating number is decoded.As shown in Figure 4, after obtaining all radio frequency identification sign indicating numbers, utilize the proof test value in the check bit earlier, all radio frequency identification sign indicating numbers are carried out verification, begin the circulation decoding after verification is errorless.
If the i value is 1, read i blank character, the i field formed in all characters before this blank character, take out field identification (name) and languages (Chinese) in this field, according to above-mentioned information the text message of this field is decoded, decoding draws raw information corresponding field " Fan Xinyun " with reference to Chinese word library.If decode successfully then this raw information field is inserted into " name " relevant position, hurdle, form decoded result " name: Fan Xinyun ";
Judge whether that the radio frequency identification code field is without decoding in addition; Do not have then output decoder result, finish decoding;
The i value increases 1 to also have field not decode then, i=2, and i blank character read in circulation, and the field between this blank character and the last blank character is decoded.Obtain field identification " exabyte " and languages " Chinese " earlier, according to above-mentioned information the text information decoding is drawn raw information " Science and Technology Ltd. of Netac ", be inserted into " exabyte " hurdle correspondence position, form decoded result " name: model is newly transported exabyte: Science and Technology Ltd. of Netac ".
So circulation is all decoded until all fields and is finished the output decoder result:
Name: Fan Xinyun
Exabyte: Science and Technology Ltd. of Netac
Position: researcher
Phone number: 13512345678
The area code of fixed number: 0755
The number of fixed number: 26994775, finish decoding.
Though the mode that above usefulness is given an example has been described in detail the present invention, the those of ordinary skill in field should be understood that without departing from the spirit and scope of the present invention, can make various modifications and conversion to the present invention.In a word, the present invention is limited by claims rather than above-mentioned specific embodiment.
Commercial Application of the present invention
Except the application described in having above-described embodiment, the present invention can also have multiple application. For example, in logistics management, all give a radio frequency identification code to every product (not being every series products). Its coding rule is: raw information is divided into five fields: manufacturer's name, the place of production, product type, product ID and date of manufacture, and use respectively " 0001 ", " 0010 ", " 0011 ", " 0100 " and " 0110 " to be used as the field identification of these five fields. The languages of field use respectively numeral (0000), Chinese (0001), English (0010) to represent that the separator between the field then represents with 1010. With method of the present invention each product information is carried out Code And Decode then, so just can express the essential information of every product.
Claims (10)
1. one kind is carried out Methods for Coding to radio-frequency identification code, and the raw information coding is become the radio-frequency identification code that is suitable for radio-frequency recognition system, it is characterized in that using blank character sign radio-frequency (RF) identification code field.
2. coding method according to claim 1 is characterized in that, described radio-frequency identification code also comprises text message and is used to identify the characteristic information of text message, languages information.
3. coding method according to claim 2 may further comprise the steps:
1) sets up first field;
2) described raw information is encoded, coding result is inserted in described first field; And
3) utilize a blank character to identify described first field.
4. coding method according to claim 3 is characterized in that:
One section the above raw information is repeated and described step 1) to 3) corresponding step, the raw information coding result is inserted described more than one field respectively.
5. according to claim 3 or 4 described coding methods, it is characterized in that described step 2) further may further comprise the steps:
2-1) obtain characteristic information, insert the characteristic information section of field according to described raw information; And
2-2) described raw information coding is formed text message, insert the text message section of field.
6. coding method according to claim 5, it is characterized in that described step 2-2) further comprise according to described languages information and convert to described raw information with the corresponding text message of described languages information and described text message is inserted the step of described text message section.
7. method that radio-frequency identification code is decoded may further comprise the steps:
1) reads an interior above field of radio-frequency identification code chip;
2) determine the first interior field of a described above field according to predetermined blank character; And
3) according to predetermined decoding scheme described first field is decoded.
8. coding/decoding method according to claim 7 is characterized in that further may further comprise the steps:
Each field after described first field is repeated and described step 1) to 3) corresponding step, so that other each field is decoded successively.
9. according to claim 7 or 8 described coding/decoding methods, it is characterized in that described step 3) further may further comprise the steps:
3-1) read the content of the characteristic information section of described field, and the content decoding of described characteristic information section is become the characteristic information of raw information according to predetermined decoding scheme; And
3-2) the text message section of described field is decoded, the raw information that decoding obtains is exported according to described characteristic information.
10. coding/decoding method according to claim 9 is characterized in that described predetermined decoding scheme is according to described languages information, searches the raw information of described content information section correspondence in the character library of corresponding languages.
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| CN 200410026775 CN1677424B (en) | 2004-03-31 | 2004-03-31 | Radio-frequency identifying code encoding and decoding method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222247A (en) * | 2011-06-29 | 2011-10-19 | 电子科技大学 | RFID (radio frequency identification) based method for transferring information of personalized name card |
| CN104438097A (en) * | 2014-12-08 | 2015-03-25 | 常州轻工职业技术学院 | Operation box for express package recording and express package identifying and sorting method |
| CN106155829A (en) * | 2015-04-01 | 2016-11-23 | 汪风珍 | Certificate information typing output and information data exchange system |
| CN103995602B (en) * | 2014-06-11 | 2017-03-15 | 汪风珍 | A kind of certificate information typing output and the method for error correction |
| CN106789898A (en) * | 2016-11-18 | 2017-05-31 | 杭州塔网科技有限公司 | Remote data transmission terminal, system and its coding, coding/decoding method |
| CN108460435A (en) * | 2018-03-02 | 2018-08-28 | 欧阳军 | A kind of information processing unit, system and method |
| CN111860722A (en) * | 2020-07-22 | 2020-10-30 | 国蓉科技有限公司 | RFID (radio frequency identification) electronic tag information encoding method for assembled concrete member |
-
2004
- 2004-03-31 CN CN 200410026775 patent/CN1677424B/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222247A (en) * | 2011-06-29 | 2011-10-19 | 电子科技大学 | RFID (radio frequency identification) based method for transferring information of personalized name card |
| CN103995602B (en) * | 2014-06-11 | 2017-03-15 | 汪风珍 | A kind of certificate information typing output and the method for error correction |
| CN103995602B8 (en) * | 2014-06-11 | 2023-04-14 | 陶佳宏 | Certificate information input output and error correction method |
| CN104438097A (en) * | 2014-12-08 | 2015-03-25 | 常州轻工职业技术学院 | Operation box for express package recording and express package identifying and sorting method |
| CN106155829A (en) * | 2015-04-01 | 2016-11-23 | 汪风珍 | Certificate information typing output and information data exchange system |
| CN106155829B (en) * | 2015-04-01 | 2019-01-25 | 汪风珍 | Certificate information typing output and information data exchange system |
| CN106789898A (en) * | 2016-11-18 | 2017-05-31 | 杭州塔网科技有限公司 | Remote data transmission terminal, system and its coding, coding/decoding method |
| CN106789898B (en) * | 2016-11-18 | 2020-01-07 | 杭州塔网科技有限公司 | Remote data transmission terminal, system and coding and decoding method thereof |
| CN108460435A (en) * | 2018-03-02 | 2018-08-28 | 欧阳军 | A kind of information processing unit, system and method |
| CN111860722A (en) * | 2020-07-22 | 2020-10-30 | 国蓉科技有限公司 | RFID (radio frequency identification) electronic tag information encoding method for assembled concrete member |
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| Publication number | Publication date |
|---|---|
| CN1677424B (en) | 2013-01-02 |
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